Whats the use of Shenmu after 3 months

　　Whats the use of Shenmu after 3 months
What are the benefits of sinking wood in the sink?I want to take him out, the bottom is not clean.
======== Xianglong Aquatic Alliance Fish Friends Comment =====
K_Chris Comment: The biggest role of Shenmu in the north is to fall acid because the water quality in the north is relatively hard
Wandering qq comment: Landscape
Crab boss, comment: I dont know
Guangjin Supermarket Comment: Since you put the Shenmu in, dont move, dont startle the fish again.After the dragonfish grows up, the space in the tank becomes smaller, and then take out the sinking wood.Jinlongyu Wire Ranking$Jinlongyu 95 square cable price/Golden dragon feather wire picture~Jinlongyu flame retardant cable price list:Jinlongyu cable recruitment$Jinlongyu 4 square copper wire price.Jinlongyu cable price list self-operatedJinlongyu Wire Shenzhen Baoan Store) Stoeng Treng Fish！